Iowa Voter Registration Summary

Variables

• active_pct: Number of active voters divided by total number of voters

• two_party_active_pct: Sum of Republican active percent and Democratic active percent

• rep_active_pct: Number of Republican active voters divided by total number of voters

• dem_active_pct: Number of Democratic active voters divided by total number of voters

Suffixes:

• 2025: Data from January 2025

• 2015: Data from January 2015

• diff: Data from January 2025 minus data from January 2015

Active Voter Percentages (2025)

Click a county to see all of a county’s data.

Change in Active % from 2015 to 2025

Negative values increase a percentage point decrease from 2015 to 2025. Click a county to see all of a county’s data.